import Vue from 'vue'
import Router from 'vue-router'

Vue.use(Router)

/* Layout */
import Layout from '@/layout'

/**
 * Note: sub-menu only appear when route children.length >= 1
 * Detail see: https://panjiachen.github.io/vue-element-admin-site/guide/essentials/router-and-nav.html
 *
 * hidden: true                   if set true, item will not show in the sidebar(default is false)
 * alwaysShow: true               if set true, will always show the root menu
 *                                if not set alwaysShow, when item has more than one children route,
 *                                it will becomes nested mode, otherwise not show the root menu
 * redirect: noRedirect           if set noRedirect will no redirect in the breadcrumb
 * name:'router-name'             the name is used by <keep-alive> (must set!!!)
 * meta : {
    roles: ['admin','editor']    control the page roles (you can set multiple roles)
    title: 'title'               the name show in sidebar and breadcrumb (recommend set)
    icon: 'svg-name'             the icon show in the sidebar
    breadcrumb: false            if set false, the item will hidden in breadcrumb(default is true)
    activeMenu: '/example/list'  if set path, the sidebar will highlight the path you set
  }
 */

/**
 * constantRoutes
 * a base page that does not have permission requirements
 * all roles can be accessed
 */
export const constantRoutes = [
  {
    path: '/login',
    component: () => import('@/views/login/index.vue'),
    hidden: true
  },

  {
    path: '/404',
    component: () => import('@/views/error-page/404.vue'),
    hidden: true
  },
  {
    path: '/',
    component: Layout,
    redirect: '/home',
    hidden: true,
    children: [{
      path: 'home',
      name: 'Home',
      hidden: true,
      component: () => import('@/views/home/index.vue'),
      meta: { title: '首页', icon: 'documentation', affix: true }
    }]
  },
  {
    path: '/redirect',
    component: Layout,
    hidden: true,
    children: [
      {
        path: '/redirect/:path*',
        component: () => import('@/views/redirect/index.vue')
      }
    ]
  }
]

export const asyncRoutes = [
  {
    path: '/system',
    component: Layout,
    alwaysShow: true,
    name: '系统模块',
    meta: { title: '系统模块', icon: 'system' },
    children: [
      {
        path: 'user',
        name: 'user',
        component: () => import('@/views/system/user/index'),
        meta: { title: '用户管理', icon: 'user', roles: ['sys:user:select'] }
      },
      {
        path: 'roles',
        name: 'roles',
        component: () => import('@/views/system/roles/index'),
        meta: { title: '角色管理', icon: 'roles', roles: ['sys:roles:select'] }
      },
      {
        path: 'department',
        name: 'department',
        component: () => import('@/views/system/department/index'),
        meta: { title: '部门管理', icon: 'department', roles: ['sys:department:select'] }
      },
      {
        path: 'post',
        name: 'post',
        component: () => import('@/views/system/post/index'),
        meta: { title: '岗位管理', icon: 'post', roles: ['sys:post:select'] }
      }
    ]
  }, // 404 page must be placed at the end !!!
  {
    path: '/product',
    component: Layout,
    name: '商品模块',
    alwaysShow: true,
    meta: { title: '商品模块', icon: 'system' },
    children: [
      {
        path: 'brand',
        name: 'brand',
        component: () => import('@/views/product/brand/index'),
        meta: { title: '品牌管理', icon: 'brand', roles: ['pms:brand:select'] }
      },
      {
        path: 'category',
        name: 'category',
        component: () => import('@/views/product/category/index'),
        meta: { title: '分类管理', icon: 'category', roles: ['pms:category:select'] }
      },
      {
        path: 'attr-group',
        name: 'attr-group',
        component: () => import('@/views/product/attr-group/index'),
        meta: { title: '属性分组', icon: 'attr-group', roles: ['pms:attr-group:select'] }
      },
      {
        path: 'attr',
        name: 'attr',
        component: () => import('@/views/product/attr/index'),
        meta: { title: '属性管理', icon: 'attr', roles: ['pms:attr:select'] }
      }
    ]
  },
  { path: '*', redirect: '/404', hidden: true }
]

const createRouter = () => new Router({
  mode: 'history', // require service support
  scrollBehavior: () => ({ y: 0 }),
  routes: constantRoutes
})

const router = createRouter()

// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
export function resetRouter() {
  const newRouter = createRouter()
  router.matcher = newRouter.matcher // reset router
}

export default router
